Hydroponic growing stand



FIG. 1 is a top perspective view of the hydroponic growing stand showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front elevation view thereof, wherein the rear elevation view is identical to the front elevation view;

FIG. 4 is a right side elevation view thereof, wherein the left side elevation view is identical to the right side elevation view;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

CLAIM The ornamental design for a hydroponic growing stand, as shown and described. 